Pay Off 15 Year Mortgage Early Calculator
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Reviewed by Calculator Editorial Team
Paying off your 15-year mortgage early can save you thousands in interest payments. Use this calculator to determine how much you'll save by making extra payments or paying off the loan ahead of schedule. The calculator shows the impact of prepayment on your total interest paid and the time saved on your mortgage.
How to Use This Calculator
To use the Pay Off 15 Year Mortgage Early Calculator:
- Enter your current mortgage balance in the "Current Mortgage Balance" field.
- Input your current interest rate in the "Current Interest Rate" field.
- Select the number of years remaining on your mortgage in the "Years Remaining" dropdown.
- Enter the amount you plan to pay extra each month in the "Extra Monthly Payment" field.
- Click the "Calculate" button to see your results.
The calculator will display how much you'll save in interest, how much you'll pay in total, and how many months you'll save by making the extra payments.
How Early Mortgage Payoff Works
Paying off your mortgage early involves making additional payments beyond your regular monthly mortgage payment. These extra payments reduce your principal balance faster, which in turn reduces the amount of interest you'll pay over the life of the loan.
The calculator uses the following formula to determine your savings:
Monthly Payment = P * (r(1+r)^n)/((1+r)^n - 1)
Where:
- P = Principal loan amount
- r = Monthly interest rate (annual rate divided by 12)
- n = Number of payments (years remaining × 12)
The calculator compares your original mortgage payment plan with the new plan that includes your extra payments. It calculates the difference in total interest paid and the time saved by paying off the mortgage early.
Note: The actual savings may vary slightly depending on when in the month you make your extra payments and how your lender applies them to principal and interest.
Worked Example
Let's say you have a $200,000 mortgage with a 4% interest rate and 15 years remaining. You decide to make an extra $200 payment each month.
Using the calculator:
- Enter $200,000 as the current mortgage balance.
- Enter 4% as the current interest rate.
- Select 15 years as the years remaining.
- Enter $200 as the extra monthly payment.
- Click "Calculate".
The calculator will show that you'll save approximately $12,000 in interest and pay off your mortgage about 2 years early.
| Scenario | Total Interest Paid | Total Payments | Months to Payoff |
|---|---|---|---|
| Original Plan | $120,000 | $320,000 | 180 |
| With Extra Payments | $108,000 | $308,000 | 156 |
Frequently Asked Questions
Can I pay off my mortgage early without penalty?
Most lenders allow you to pay off your mortgage early without penalty, but you should check your loan agreement to confirm. Some loans may have prepayment penalties or require you to pay a fee.
How does early mortgage payoff affect my credit score?
Paying off your mortgage early can positively impact your credit score by reducing your credit utilization ratio and showing lenders that you're managing your debt responsibly.
Is it better to pay extra principal or make extra payments?
Both strategies can save you money, but paying extra principal typically saves more interest in the long run. However, making extra payments can help you pay off your mortgage faster and reduce the total interest paid.
Can I use this calculator for a 30-year mortgage?
This calculator is specifically designed for 15-year mortgages. For 30-year mortgages, you would need to adjust the years remaining and recalculate.